Satel SATELLINE-EASy User manual

SATELLINE-EASy / SATELLINE-EASy 869
User Guide, Version 3.0
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SATELLINE-EASy
SATELLINE-EASy 869
Radio Modem
User Guide

SATELLINE-EASy / SATELLINE-EASy 869
User Guide, Version 3.0
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IMPORTANT NOTICE
All rights to this manual are owned solely by SATEL Oy (referred to in this user guide as SATEL).
All rights reserved. The copying of this manual (without the written permission from the owner) by
printing, copying, recording or by any other means, or the full or partial translation of the
manual to any other language, including all programming languages, using any electrical,
mechanical, magnetic, optical, manual or other methods or devices is forbidden.
SATEL reserves the right to change the technical specifications or functions of its products, or to
discontinue the manufacture of any of its products or to discontinue the support of any of its
products, without any written announcement and urges its customers to ensure, that the
information at their disposal is valid.
SATEL software and programs are delivered ”as is”. The manufacturer does not grant any kind
of warranty including guarantees on suitability and applicability to a certain application. Under
no circumstances is the manufacturer or the developer of a program responsible for any
possible damages caused by the use of a program. The names of the programs as well as all
copyrights relating to the programs are the sole property of SATEL. Any transfer, licensing to a
third party, leasing, renting, transportation, copying, editing, translating, modifying into another
programming language or reverse engineering for any intent is forbidden without the written
consent of SATEL.
SATEL PRODUCTS HAVE NOT BEEN DESIGNED, INTENDED NOR INSPECTED TO BE USED
IN ANY LIFE SUPPORT RELATED DEVICE OR SYSTEM RELATED FUNCTION NOR AS A PART
OF ANY OTHER CRITICAL SYSTEM AND ARE GRANTED NO FUNCTIONAL WARRANTY IF
THEY ARE USED IN ANY OF THE APPLICATIONS MENTIONED.
Salo, FINLAND 2014
Copyright: 2014 SATEL Oy
No part of this document may be reproduced, transmitted or stored in a retrieval system in any form or by any
means without the prior written permission of SATEL Oy. This document is provided in confidence and must not be
distributed to third parties without the express permission of SATEL Oy.

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RESTRICTIONS ON USE
SATELLINE-EASy radio modems have been designed to operate on frequency ranges, the exact
use of which differs from one region and/or country to another. The user of a radio modem
must take care that the device is not operated without the permission of the local authorities on
frequencies other than those specifically reserved and intended for use without a specific permit.
SATELLINE-EASy is allowed to be used in the following countries, either on licence free channels
or on channels where the operation requires a licence. More detailed information is available at
the local frequency management authority.
Countries: AT, AU, BE, BG, CA, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS,
IL, IN, IT, KZ, LT, LU, LV, MX, MT, NL, NO, OM, PL, PT, RU, RO, SE, SG, SI, SK, TR, UA, US,
VN and ZA.
SATELLINE-EASy 869 radio modem has been designed to operate on 869.4125 – 869.6375
MHz, the exact use of which differs from one region and/or country to another. The user of a
radio modem must take care that the device is not operated without the permission of the local
authorities on frequencies other than those specifically reserved and intended for use without a
specific permit.
SATELLINE-EASy 869
is allowed to be used in the following countries, either on licence free
channels or on channels where the operation requires a licence. More detailed information is
available at the local frequency management authority.
Countries: AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU,
LV, MT, NL, NO, PL, PT, RO, SE, SI, SK and TR.
WARNING!
Users of SATELLINE-EASy radio modems in North America should be aware, that due to the
allocation of the frequency band 406.0 – 406.1 MHz for government use only, the use of
radio modem on this frequency band without a proper permit is strictly forbidden.
WARNING!
In order to comply with FCC and IC RF exposure compliance requirements, maximum
antenna gain is 14 dBi and separation distance of at least 1 meter must be maintained
between the antenna of this device and all persons. The device must not be co-located or
operating in conjunction with any other antenna or transmitter.

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PRODUCT CONFORMITY
Hereby, SATEL Oy declares that SATELLINE-EASy and SATELLINE-EASy 869 radio modems are
in compliance with the essential requirements (radio performance, electromagnetic compatibility
and electrical safety) and other relevant provisions of Directive 1999/5/EC. Therefore the
equipment is labelled with the following CE-marking. The notification sign informs user that the
operating frequency range of the device is not harmonised throughout the market area, and the
local spectrum authority should be contacted before the usage of the radio modem.

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WARRANTY AND SAFETY INSTRUCTIONS
Read these safety instructions carefully before using the product:
-Warranty will be void, if the product is used in any way that is in contradiction with the
instructions given in this manual, or if the radio modem housing has been opened or tampered
with.
-The radio modem is only to be operated at frequencies allocated by local authorities, and
without exceeding the given maximum allowed output power ratings. SATEL and its distributors
are not responsible, if any products manufactured by it are used in unlawful ways.
-The devices mentioned in this manual are to be used only according to the instructions
described in this manual. Faultless and safe operation of the devices can be guaranteed only if
the transport, storage, operation and handling of the devices is appropriate. This also applies to
the maintenance of the products.
-To prevent damage both the radio modem and any terminal devices must always be switched
OFF before connecting or disconnecting the serial connection cable. It should be ascertained
that different devices used have the same ground potential. Before connecting any power cables
the output voltage of the power supply should be checked.
NOTE!
When selecting a suitable location for the radio modem it must be ensured that no water can
get into the radio modem under any conditions. Direct sunlight is also to be avoided. It is not
recommendable to install the radio modem on a strongly vibrating surface. Suitable
dampening and/or isolation materials should be used in cases where the installation surface
will be subjected to vibration.

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TABLE OF CONTENTS
IMPORTANT NOTICE ............................................................................................. 2
RESTRICTIONS ON USE ......................................................................................... 3
PRODUCT CONFORMITY........................................................................................ 4
WARRANTY AND SAFETY INSTRUCTIONS ............................................................. 6
TABLE OF CONTENTS ............................................................................................ 7
INTRODUCTION .................................................................................................. 11
1SATELLINE-EASY TECHNICAL SPECIFICATIONS.............................................. 12
2SATELLINE-EASY 869 TECHNICAL SPECIFICATIONS....................................... 13
2.1 Important note for the users of SATELLINE-EASy 869 ............................. 14
3INTERFACE – CONNECTORS & LEDS............................................................... 15
3.1 Antenna connector ................................................................................... 15
3.2 Power supply ............................................................................................ 15
3.3 Serial ports............................................................................................... 16
3.4 LED indicators........................................................................................... 16
3.5 D15 connector .......................................................................................... 17
4SERIAL INTERFACE.......................................................................................... 18
4.1 RS-232 interface (Port 1, Port 2) .............................................................. 19
4.2 RS-422 interface (Port 2).......................................................................... 19
4.3 RS-485 interface (Port 2 externally connected) ...................................... 20
4.4 Termination of RS-422/485 lines ............................................................. 20
4.5 Serial data format.................................................................................... 21
4.6 Handshaking lines................................................................................... 21
4.6.1 CTS line ...................................................................................................................22

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4.6.2 CD line ....................................................................................................................22
4.6.3 RTS line ....................................................................................................................22
4.6.4 DTR line ...................................................................................................................23
4.6.5 DSR line ...................................................................................................................23
4.7 Pause length ............................................................................................ 23
4.8 Data buffering.......................................................................................... 24
5RF INTERFACE................................................................................................. 25
5.1 Transmitter............................................................................................... 26
5.2 Receiver.................................................................................................... 27
5.3 Priority RX/TX........................................................................................... 27
5.4 Forward Error Correction (FEC) ................................................................ 28
5.5 Error checking .......................................................................................... 28
5.6 TX delay.................................................................................................... 28
5.7 Separate RX/TX-frequencies.................................................................... 29
5.8 Free Channel Scan (FCS) .......................................................................... 29
5.9 User data whitening ................................................................................ 29
5.10 Pacific Crest and TRIMTALK compatibility................................................ 30
5.10.1 Settings in compatibility modes....................................................................................31
5.10.2 Repeater function.......................................................................................................33
5.10.3 Support for Local / Remote addresses ..........................................................................33
5.10.4 Transmission delays ...................................................................................................34
6TEST MODES................................................................................................... 36
6.1 Short block test ........................................................................................ 36
6.2 Long block test ......................................................................................... 36
7SETTINGS ....................................................................................................... 37
8SATEL CONFIGURATION MANAGER SOFTWARE ........................................... 42
9PROGRAMMING MODE MENU ...................................................................... 43
9.1 Programming Mode ................................................................................. 43
9.2 How to change the settings in the programming mode menu ............... 44

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9.2.1 Example – How to change TX/RX frequencies................................................................44
9.2.2 Restoring factory settings.............................................................................................45
9.2.3 Radio modem info .....................................................................................................45
9.2.4 Activating tests...........................................................................................................45
10 LCD & PUSH BUTTONS................................................................................... 46
10.1 LCD after power-up.................................................................................. 46
10.2 Info pages ................................................................................................ 47
10.3 How to modify the settings on LCD .......................................................... 48
10.3.1 Saving the modified settings........................................................................................48
10.3.2 Example – how to change the radio frequency on LCD...................................................49
10.3.3 Example – how to toggle settings ON or OFF on LCD ...................................................50
10.3.4 How to restore the factory settings on LCD....................................................................51
11 SL COMMANDS .............................................................................................. 52
11.1 Changing parameters using the SL COMMANDS .................................... 52
11.1.1 Addressing related SL commands ................................................................................53
11.1.2 Channel list related SL commands ...............................................................................54
11.1.3 Serial port related SL commands .................................................................................55
11.1.4 Memory related SL commands ....................................................................................55
11.1.5 Operation mode .......................................................................................................55
11.1.6 Modem info related SL commands...............................................................................56
11.1.7 Radio frequency related SL commands .........................................................................57
11.1.8 Other SL commands ..................................................................................................59
12 CHANNEL LIST................................................................................................ 60
13 REPEATER MODE AND ADDRESSING ............................................................. 61
13.1 Repeater................................................................................................... 61
13.2 Addressing ............................................................................................... 62
13.2.1 Connection between two points...................................................................................64
13.2.2 System of one base station and several substations ........................................................64
13.3 Using repeaters and addresses in the same system............................... 65
13.3.1 System with several repeaters ......................................................................................65
13.3.2 Repeater chain using address pairs ..............................................................................66
13.3.3 Repeater chain using dual addressing ..........................................................................67
13.3.4 Redundant repeater chain...........................................................................................67
14 MESSAGE ROUTING....................................................................................... 68
14.1 Introduction to Message Routing,............................................................ 68
14.1.1 Features of Message Routing ......................................................................................69
14.1.2 Limitations of Message Routing ...................................................................................69

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14.1.3 Getting started with Message Routing...........................................................................69
14.1.4 SaTerm and the configuration of the Message Routing ...................................................70
14.1.5 Manual configuration of the Message Routing...............................................................71
14.1.6 Configuration of the protocol in Message Routing .........................................................71
14.2 Operating modes of Message Routing .................................................... 72
14.3 Detailed description of Message Routing................................................ 73
14.3.1 Source Mode Routing.................................................................................................73
14.3.2 Virtual Mode Routing .................................................................................................73
14.3.3 Overhop function in Source Mode Routing ...................................................................73
14.3.4 Network ID ...............................................................................................................75
15 INSTALLATION ............................................................................................... 76
15.1 Installation of the radio modem.............................................................. 76
15.2 Wiring....................................................................................................... 77
15.2.1 RS-232 wiring - Port1 without handshaking...................................................................77
15.2.2 RS-232 wiring - Port1 and handshaking signals connected .............................................78
15.2.3 RS-422 wiring ...........................................................................................................78
15.2.4 RS-485 wiring ...........................................................................................................79
15.2.5 Programming mode adapter .......................................................................................80
15.3 Antenna installation ................................................................................ 81
15.3.1 Hand-held equipment ................................................................................................81
15.3.2 Mobile equipment......................................................................................................81
15.3.3 Base stations .............................................................................................................81
15.3.4 General antenna installation instructions ......................................................................81
16 DESIGNING SYSTEMS .................................................................................... 85
16.1 Factors affecting the quality and distance of the radio connection ........ 85
16.2 Radio field strength ................................................................................. 86
17 CHECK LIST..................................................................................................... 87
18 ACCESSORIES ................................................................................................. 88
19 APPENDIX A................................................................................................... 89
20 APPENDIX B ................................................................................................... 90
20.1 Functional delays ..................................................................................... 90
20.2 Transmission delays................................................................................. 90

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INTRODUCTION
SATEL Oy is a Finnish electronics and telecommunications company specialising in the design
and manufacture of wireless data communication products. SATEL designs, manufactures and
sells radio modems intended for use in applications ranging from data transfer to alarm relay
systems. End users of SATEL products include both public organisations and private individuals.
SATEL Oy is the leading European manufacturer of radio modems. SATEL radio modems have
been certified in most European countries and also in many non-European countries.
SATELLINE-EASy is a versatile transceiver radio modem that provides a compact and flexible
solution for many different wireless applications. The key features include:
•403-473 MHz frequency range – 70 MHz wide tuning range enables one radio modem
in the stock and all the channels available
•User selectable channel spacing 12.5 / 20 / 25 kHz
•Compatible with the widely used SATELLINE-3AS radio modem family
•Compatible also with Pacific Crest-4FSK/GMSK/FST or TRIMTALK450s protocols
•Half duplex radio data transfer
•Over-the-air data rate:
o9600 bps @ 12.5 kHz channel spacing
o9600 bps @ 20 kHz channel spacing
o19200 bps @ 25 kHz channel spacing
•Small current consumption, sleep modes
•Power level of the transmitter 100 mW…1 W
•RS-232 / RS422 / LVTTL / TTL serial interface at 300…38400 bps data rates
•LCD display and 4 push buttons (models with display)
oEasy configuration, no need to use external terminal to change the basic settings
oMonitoring of the signal (RSSI) or noise level and the voltage of the power supply
oLCD is a useful tool in testing the radio connection
•LED indicators show the status of the interface signals.
•Routing/repeater functions
•Error correction (FEC)
•External command language (SL commands)
•OEM versions available
SATELLINE-EASy 869 is a frequency band variant targeted especially to the license free
869.4125...869.6375 MHz band in Europe.
SATEL Configuration Manager is the recommended PC software for configuring SATELLINE-EASy
and SATELLINE-EASy 869 radio modems, although basic settings can be modified by using
almost any terminal program. Alternatively, SATERM PC software can be used – it is the tool for
designing and configuring the systems that utilize the Message routing features.

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1SATELLINE-EASy TECHNICAL SPECIFICATIONS
RADIO
RECEIVER
TRANSMITTER
Frequency Range
403...473 MHz (Tuning range 70 MHz)
Channel Spacing
12.5 kHz / 20 kHz / 25 kHz programmable
Communication Mode
Half-Duplex
Frequency Stability
<1 kHz
Modulation
4-FSK, GMSK
Radio Compatibility
SATELLINE-3AS, Pacific Crest FST/4-FSK/GMSK, TRIMTALK450s
Spurious Radiation
< 2 nW
EN 300 113 and CFR47 part90
Sensitivity
-114 dBm @12.5 kHz
-111 dBm @25 kHz Note*) **)
Co-channel Rejection
>-12 dB Note*)
Adjacent Channel Selectivity
> 47 dB @12.5 kHz
> 52 dB @ 25 kHz Note*)
Intermodulation Attenuation
> 60 dB Note*)
Blocking
> 86 dB Note*)
Spurious Rejection
> 60 dB Note*)
Spurious Emission
< -100 dBm
<-80 dBm on 3rd harmonic
@1215–1240 MHz
Type of Emission
F1D
Carrier power
100, 200, 500, 1000 mW
Adjacent Channel Power
EN 300 113 and CRF47 part90
Carrier power stability
< ±1.5 dB
DATA MODEM
Electrical Interface
Port 1:RS-232 / Port 2: LVTTL, TTL or RS-232/422 (depends on the assembly)
Interface Connector
D-15 (female)
Data speed of Serial interface
300 – 38400 bps
Data speed of Radio Interface
19200 bps (25 kHz channel) / 9600 bps (12.5 or 20 kHz channel)
GENERAL
Operating voltages
+6 …+30 VDC or +3 …+9 VDC (depending on the assembly)
Power Consumption
<1.2 W (Receive), <3.0 W (Transmit @ 0.5 W), <7.0 W (Transmit @ 1 W),
0.12 W (Sleep mode), 10 mW (DTR Power save)
Temperature Ranges
-30 °C ... +65 °C Functional
-25 °C ... +55 °C Complies with standards
-40 °C ... +80 °C Storage
Antenna Connector
TNC female 50 ohm
Construction
Aluminium housing
Size L x W x T
139 mm x 67 mm x 29 mm
Weight
250 g
COMPLIANT WITH THE INTERNATIONAL STANDARDS
RF-requirements
EN 300 113-2 / FCC CFR47 section 90
EMC-requirements
EN 301 489-1 & -5 (8 kV contact, 15 kV air discharge)
Safety Standard
EN 60950-1
Immunity
EN 61000-4-3 (2006) (10V/m)
Note*) Values apply with FEC ON @ BER<10E-3
Note**) Due to radio electronic design, the receiver is about 6 – 15 dB less sensitive on the
following frequencies:
403.000, 416.000, 429.000, 442.000, 455.000, 468.000, 409.5875 and 469.200 MHz.

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2SATELLINE-EASy 869 TECHNICAL SPECIFICATIONS
RADIO
RECEIVER
TRANSMITTER
Frequency Range
869.4125 – 869.6375 MHz
Channel Spacing
25 kHz
Communication Mode
Half-Duplex
Frequency Stability
<1 kHz
Modulation
4-FSK
Radio Compatibility
SATELLINE-3AS 869
Spurious Radiation
< 2 nW
according to EN 300 220
Sensitivity (BER < 10 E-3)
-111dBm Note*)
Co-channel Rejection
>-12 dB Note*)
Adjacent Channel Selectivity
> 52 dB Note*)
Intermodulation Attenuation
>60 dB Note*)
Blocking
>86 dB Note*)
Spurious Rejection
>60 dB Note*)
Type of Emission
F1D
Carrier power
10, 20, 50, 100, 200, 500 mW
Adjacent Channel Power
according to EN 300 220
Carrier power stability
< ±1.5 dB
DATA MODEM
Electrical Interface
Port1: RS-232 / Port2: LVTTL, TTL or RS-232 /422 (depends on the
assembly)
Interface
Connector
D-15 female
Data speed of Serial
interface
300 – 38400 bps
Data speed of Radio
Interface
19200 bps (25 kHz channel)
GENERAL
Operating voltages
+6 … +30 VDC
Power Consumption
<1.2 W (Receive), <3.8 W (Transmit)
0.12 W (Sleep mode), 10 mW (DTR Power save)
Temperature Ranges
-30 °C ... +65 °C Functional
-25 °C ... +55 °C RF complies with standards
-40 °C ... +80 °C Storage
Antenna Connector
TNC female 50 ohm
Construction
Aluminium housing
Size H x W x D
139 mm x 67 mm x 29 mm
Weight
250 g
COMPLIANT WITH THE INTERNATIONAL STANDARDS
RF-requirements
EN 300 220-2
EMC-requirements
EN 301 489-1 & -3 (8 kV contact, 15 kV air discharge)
Safety Standard
EN 60950-1
Immunity
EN 61000-4-3 (2006) (10V/m)
Note*) Values apply with FEC ON @ BER<10E-3

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2.1 Important note for the users of SATELLINE-EASy 869
NOTE!
SATELLINE-EASy 869 does NOT support all features of SATELLINE-EASy
Please note that the paragraphs of this user guide describing the features listed below apply
only to SATELLINE-EASy unless specifically mentioned.
Feature/Property
SATELLINE-EASy 869 SATELLINE-EASy
Frequency band
869.4125...869.6375 MHz
403…473 MHz
Channel spacing/width
25 kHz fixed
25, 20, 12.5 kHz
Transmitter output
10, 20, 50, 100, 200, 500 mW
100, 200, 500, 1000 mW
Supported radio
compatibility options
SATELLINE-3AS
SATELLINE-3AS
PacCrest-4FSK
PacCrest-GMSK
Trimtalk450s
PacCrest-FST
Free Channel Scan (FCS)
Not supported
Supported
Channel list
Not supported
Supported
Call sign transmission
Not supported
Supported
Radio requirements
specification
(see the previous pages)
EN 300 220-2 EN 300 113-2
FCC CFR47 section 90
Operating voltage +6…+30 VDC
+6…+30 V
DC
+3…+9 VDC

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3INTERFACE – CONNECTORS & LEDS
3.1 Antenna connector
SATELLINE-EASy and SATELLINE-EASy 869 both have a single TNC female type antenna
connector with impedance of 50 Ohm.
The antenna should always be connected when the power is on. Removing the antenna while
the transmitter is on may damage the power amplifier inside the transmitter.
3.2 Power supply
SATELLINE-EASy is available in two operating voltage ranges depending on which type of
internal power/interface-module has been installed at the factory. The voltage range is marked
on the label:
•+6…+30 VDC (delivered by default)
•+3…+9 VDC
SATELLINE-EASy 869 is currently available only in +6…+30 VDC operating voltage range.
The radio modem must be connected to a power supply with an adequate current output.
A proper fuse should be connected in between the radio modem and the power supply:
Operating voltage range
+3 … +9 V
+6 … +30 V
Current rating of the fuse
2.5 A slow
1 A slow
Operating voltage range of SATELLIN-EASy is marked as follows:

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3.3 Serial ports
Before connecting DTE (Data Terminal Equipment) to the radio modem, please make sure that
the configuration matches the physical interface (electrical characteristics, timing, direction and
interpretation of signals). The radio modem contains two separate serial ports that are
designated as
Port 1
and
Port 2
. Only one port at a time can be selected for communication.
Port 1
- Always RS-232 (Port 1 ON is the default configuration)
Port 2
– The physical interface depends on which type of internal power/interface-module has
been installed at the factory. Available options are:
•RS-232/RS-422 (delivered by default)
•LVTTL
•TTL
RS-422 interface of the radio modem can be adapted to RS-485 interface by wiring the signals
externally, see paragraph RS-485 interface.
3.4 LED indicators
There are five (5) LED indicators on the front panel of the radio modem
that indicate the status of the serial port and the radio interface:
LED
Indication
OFF
Red
Orange
Green
RTS
RTS-line status (D15 Pin 13)
Inactive
Active
-
-
CTS
CTS-line status (D15 Pin 6)
Inactive
Active
-
-
TD
TD-line status (D15 Pin 11)
Indicates that the radio modem is
receiving data via serial port.
No data
Data
-
Test Tx
active
RD
RD-line status (D15 Pin 9)
Indicates that the radio modem is
sending data via serial port.
No data
Data
-
-
CD
Indicates the status of the radio
interface. Note that the status of
CD-line (D15 pin 2) may differ
from the status of CD LED.
No
signal
Transmitter
is ON
Noise
Reception
NOTE! WHEN THE MODE-PIN (D15 CONNECTOR PIN12) IS CONNECTED TO GROUND,
THE RADIO MODEM IS IN THE PROGRAMMING MODE AND
Port 1
IS THEN IN USE!
If
Port 2
is to be used for data transmission, the serial cable must be changed to a suitable
type when switching over to the programming mode.

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3.5 D15 connector
SATELLINE-EASy radio modems: 15-PIN FEMALE D CONNECTOR PINOUT
I/O column below denotes the direction of the signal: "IN" is from DTE (Data Terminal
Equipment) to the radio modem. "OUT"is from the radio modem to DTE.
PIN
NAME
I/O
LEVEL
EXPLANATION
1
DTR
IN
0..30V
Data Terminal Ready. The pin can be used to wake-up the
radio module from the standby mode. >+3 VDC = ON,
<+0.6 VDC or not connected = STANDBY
2
Pin 2 has alternative functions depending on the Port2 configuration, see below.
CD
OUT
RS-232
Carrier Detect (if Port2 Interface level is RS-232)
A’
OUT
RS-422
Port2 Receive Data positive (if Port2 Interface level is RS-422)
CTS
OUT
TTL
Clear To Send Note*) (if Port2 Interface level is TTL)
LVTTL
Clear To Send Note*) (if Port2 Interface level is LVTTL)
3
Pin 3 has alternative functions depending on the Port2 configuration, see below.
RD2
OUT
OUT
OUT
RS-232
Port2 Receive Data (if Port2 Interface level is RS-232)
TTL
Port2 Receive Data (if Port2 Interface level is TTL)
LVTTL
Port2 Receive Data (if Port2 Interface level is LVTTL)
B’
OUT
RS-422
Port2 Receive Data negative (if Port2 Interface level is RS-422)
4
Pin 4 has alternative functions depending on the configuration, see below.
TD2
IN
IN
IN
RS-232
Port2 Transmit Data (if Port2 Interface level is RS-232)
TTL
Port2 Transmit Data (if Port2 Interface level is TTL)
LVTTL
Port2 Transmit Data (if Port2 Interface level is LVTTL)
A
IN
RS-422
Port2 Transmit Data positive (if Port2 Interface level is RS-422)
5
Pin 5 has alternative functions depending on the hardware assembly, see below.
RTS
IN
TTL
Request To Send Note*) (if Port2 Interface level is TTL)
LVTTL
Request To Send Note*) (if Port2 Interface level is LVTTL)
B
IN
RS-422
Port2 Transmit data negative
6
CTS
OUT
RS-232
Clear To Send. This signal indicates that the radio modem
serial interface is ready to receive data from DTE. Note*)
7, 8
GND
-
Operating voltage ground / signal ground.
Galvanically connected to the modem casing.
9
RD1
OUT
RS-232
Port1 Receive Data to DTE from the radio modem
10
DSR
OUT
RS-232
Data Set Ready. Indicates that the radio modem is ON.
11
TD1
IN
RS-232
Port1 Transmit Data from DTE to the radio modem.
12
MODE
IN
0..30V
<2VDC or connected to ground = Programming Mode
>3VDC or Not connected = Data Transfer Mode Note**)
13
RTS
IN
RS-232
Request To Send from DTE. Note*)
14,
15
V
b
-
See
specs
Operating Voltage. Depends on the assembled power module:
+3...9 VDC (Only for SATELLINE-EASy) / +6...30 VDC
Note! Unused pins can be left unconnected.
Note*) RTS and CTS signals apply to the selected Data port (either Port1 or Port2).
Note**) Programming Mode is for changing the settings of the radio modem via Programming
menu. Normally the MODE line is NOT connected i.e. the modem is in Data Transfer Mode.

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4SERIAL INTERFACE
The radio modem is referred to as DCE (Data Communication Equipment) whereas the device
connected to it, typically a PLC or a PC, is referred to as DTE (Data Terminal Equipment). The
15-pin female ‘D’-type connector of the radio modem contains the connections required to
establish data communication between the radio modem and DTE.
In order to transfer data, the physical interface between DCE and DTE must be compatible and
properly configured. This chapter describes shortly the basics of the physical interface options,
the related settings and the operation of the serial interface.
The radio modem contains two separate serial ports Port 1 and Port 2:
•Only one port at a time can be selected for communication.
•Port1 is configured ON by default.
•The physical interface of Port 1 is always RS-232.
•The physical interface of Port 2 depends on which type of internal power/interface-
module has been installed at the factory and the selected settings.
SATELLINE-EASy - Available serial port interfaces
Serial Port
Physical interface
Power/Interface module identifier
Port 1
RS-232
Port 1 is always RS-232
Port 2
RS-422/RS-232
(RS-485 Note*)
Module ID: IM01 (Operating voltage +6...+30 VDC)
Module ID: IM03 (Operating voltage +3...+9 VDC)
LVTTL (3.3 V)
Module ID: IM02 (Operating voltage +6...+30 VDC)
Module ID: IM04 (Operating voltage +3...+9 VDC)
TTL (5 V)
Module ID: IM05 (Operating voltage +6...+30 VDC)
Module ID: IM06 (Operating voltage +3...+9 VDC)
SATELLINE-EASy 869 - Available serial port interfaces
Serial Port
Physical interface
Power/Interface module identifier
Port 1
RS-232
Port 1 is always RS-232
Port 2
RS-422/RS-232
(RS-485 Note*)
Module ID: IM01 (Operating voltage +6...+30 V
DC
)
LVTTL (3.3 V)
Module ID: IM02 (Operating voltage +6...+30 VDC)
TTL (5 V)
Module ID: IM05 (Operating voltage +6...+30 VDC)
Note*) RS-422 can be adapted to RS-485 externally. See paragraph RS-485 interface.
The handshaking signals apply to the selected serial port (Port 1 or Port 2). The handshaking
signals are CD (Carrier Detect), RTS (Ready To Send), CTS (Clear To Send), DSR (Data Set
Ready) and DTR (Data Terminal Ready). The physical level of these signals is always RS-232.
The wiring and cable connections are illustrated in chapter INSTALLATION.

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4.1 RS-232 interface (Port 1, Port 2)
RS-232 standard defines the method of transferring binary single-ended data serially between
DTE and DCE. Although the standard defines the electrical characteristics, timing and meaning
of the signals, as well as the pin out of connectors, it is applied in a multitude of slightly differing
ways (e.g. different pin configurations). For this reason different computers and peripherals are
not necessarily directly compatible with each other.
RS-232 standard defines transmission lines, in which each single signal line level is referenced to
a common ground level. When connecting equipment using RS-232 interface make sure that
the equipment are connected together sharing the same ground potential. Major differences in
ground potentials may result to large current flow in the ground (GND) wire and may lead to a
malfunction or damage the connected devices!
RS-232 has been designed for serial data transfer over short distances (usually less than 15 m).
For longer distances, RS-422 or RS-485 is better suited in order to maintain the integrity of data.
4.2 RS-422 interface (Port 2)
RS-422 standard defines a serial data transfer method, which is very similar to the RS-232
standard. In RS-422 however, the signal lines are balanced (or differential) transmission lines. A
balanced (or differential) transmission line is formed by using two signal wires together to convey
each single signal. Because the state of the signal is defined by the mutual voltage difference
(hence the name differential), any common mode disturbances induced into the lines will cancel
out. The effect of different signals moving in the same cable will also be smaller than in the case
of the RS-232. Transmission distance can be considerably longer than when using RS-232 type
of connection, and distances of 1 km are possible.
As an example, let’s examine the TX-signal: TX-signal will be transmitted using two lines (A and
B). A logical ”1” corresponds to a situation, where the voltage on line A is greater than the
voltage on line B. Correspondingly a logical ”0” corresponds to a situation, where the voltage
on line A is smaller than the voltage on line B.
RT 120 Ω
RT
RT 120 Ω
R
T
B B'
AA'
B' B
A' A
Radio modem Cable Terminal
Cable

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4.3 RS-485 interface (Port 2 externally connected)
RS-485 is an extension of the RS-422 standard and enables the connection of more than two
devices on to the same bus. Communication is half-duplex, so there is only one cable pair,
compared to two when using the RS-422. The RS-485 standard defines the electrical
characteristics of the connections in such a way as to prevent possible data contention states as
well as cable shorts etc. from harming the devices themselves.
The modem does not have an internal RS-485 interface. Instead, RS-485 can be established by
using the RS-422 interface and wiring the signals externally as depicted below.
4.4 Termination of RS-422/485 lines
Each differential pair of wires is a transmission line. A transmission line must be terminated
properly to prevent, or at least minimise, harmful reflections formed between the transmitting
and receiving end of the transmission line. A common method of terminating a RS-485 type of
transmission line is to connect a so-called termination resistor, between the wires and at both
ends of the transmission line. Even when there are more than two devices on the same
transmission line, the termination resistors are needed only at the ends of the transmission line.
The termination resistor must be selected so that its resistance matches the characteristic
impedance of the transmission line as close as possible (typical values range from 100 to 120
Ohm). When using a RS-422 type of connection the termination resistor is connected only at
each of the receiving ends. Termination resistors are particularly important when using long
transmission lines and/or high data transfer speeds.
Radio modem set to
422-mode
T
R
B
'
A'
B
A
R
T
120
Ω
Radio modem
Cable
Terminal
Cable
R
T
120
Ω
R
T
B
A
B`
A`
5
4
2
3
Pin